# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        潘炎珍  
# Name:         demo04
# Description:
# Author:       98745
# Date:         2019/3/1
#-------------------------------------------------------------------------------

def t(f):
    print('这是在函数中打印的信息')
    if f:
        return
    else:
        print('这行信息只有在发为false时才会输出')
t(False)
print('------------')
r=t(True)
print(r)